Table 8 Effects of heat stress on serum oxidative stress indicators in Holstein cows at different stages.
Items | Groups | SEM | |||||
|---|---|---|---|---|---|---|---|
C-N | C-HS | H-N | H-HS | Dc-N | Dc-HS | ||
MDA,nmol/mL | 4.41 | 5.86 | 3.51 | 5.03 | 5.73 | 7.18 | 0.09 |
SOD,U/mL | 80.43 | 69.40 | 85.01 | 74.29 | 75.82 | 64.83 | 0.57 |
T-AOC,mmol/L | 0.23 | 0.15 | 0.27 | 0.20 | 0.20 | 0.12 | 0.002 |
GSH-PX,U/mL | 14.38 | 12.16 | 15.04 | 12.76 | 13.46 | 11.23 | 0.27 |